<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="100px">
      <el-form-item label="分段内容" prop="segContent">
        <el-input
          v-model="queryParams.segContent"
          placeholder="请输入文档分段内容"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="文档名字" prop="documentName">
        <el-input
          v-model="queryParams.documentName"
          placeholder="请输入文档名字"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="知识库名字" prop="knowledgeName">
        <el-input
          v-model="queryParams.knowledgeName"
          placeholder="请输入知识库名字"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['docSplit:split:add']"
        >新增</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="splitList" @selection-change="handleSelectionChange">
      <el-table-column label="序号" type="index" align="center">
        <template slot-scope="scope">
          <span>{{(queryParams.pageNum - 1) * queryParams.pageSize + scope.$index + 1}}</span>
        </template>
      </el-table-column>
      <el-table-column label="分段ID" align="center" prop="docSegId" />
      <el-table-column label="分段内容" align="center" prop="segContent" show-overflow-tooltip width="500"/>
      <el-table-column label="文档" align="center" prop="documentName" />
      <el-table-column label="知识库" align="center" prop="knowledgeName"/>
      <el-table-column label="向量ID" align="center" prop="embedId" show-overflow-tooltip width="150"/>
      <el-table-column label="创建时间" align="center" prop="createdAt" width="100">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createdAt, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="更新时间" align="center" prop="updatedAt" width="100">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.updatedAt, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['docSplit:split:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['docSplit:split:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改存储文档分段信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="50%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="20%">
        <el-form-item label="知识库">
          <el-select
            v-model="form.klId"
            filterable
            remote
            reserve-keyword
            placeholder="请输入关键词"
            :remote-method="getKnowledgeList"
            :loading="loading">
            <el-option
              v-for="item in knowledge_options"
              :key="item.value"
              :label="item.label"
              :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="文档分段内容">
          <el-input
            type="textarea"
            :autosize="{ minRows: 6, maxRows: 10}"
            placeholder="请输入内容"
            v-model="form.segContent">
          </el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listSplit, getSplit, delSplit, addSplit, updateSplit } from "@/api/docSplit/api.js";
import { listKnowledge } from "@/api/knowledge/api.js";

export default {
  name: "Split",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 存储文档分段信息表格数据
      splitList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        klId: null,
        docId: null,
        segContent: null,
        knowledgeName: null,
        documentName: null,
        embedId: null,
        createdAt: null,
        updatedAt: null,
        createdBy: null,
        updatedBy: null
      },
      // 表单参数
      form: {},
      knowledgeList:[],
      knowledge_options:[],
      // 表单校验
      rules: {
        klId: [
          { required: true, message: "关联的知识库ID不能为空", trigger: "blur" }
        ],
        docId: [
          { required: true, message: "关联的文档ID不能为空", trigger: "blur" }
        ],
        segContent: [
          { required: true, message: "文档分段内容不能为空", trigger: "blur" }
        ],
        embedId: [
          { required: true, message: "向量表ID不能为空", trigger: "blur" }
        ],
        createdBy: [
          { required: true, message: "创建人的ID不能为空", trigger: "blur" }
        ],
        updatedBy: [
          { required: true, message: "更新人的ID不能为空", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList();
    this.getKnowledgeList();
  },
  methods: {
    /** 查询存储文档分段信息列表 */
    getList() {
      this.loading = true;
      listSplit(this.queryParams).then(response => {
        this.splitList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    getKnowledgeList(){
      listKnowledge({}).then(response => {
        this.knowledgeList = response.rows;
        this.knowledge_options = this.knowledgeList.map(item => {
          return {
            value: item.klId,
            label: item.knowledgeName
          }
        });
      });
    },
    // 表单重置
    reset() {
      this.form = {
        docSegId: null,
        klId: null,
        docId: null,
        segContent: null,
        embedId: null,
        createdAt: null,
        updatedAt: null,
        createdBy: null,
        updatedBy: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.docSegId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加分段信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const docSegId = row.docSegId || this.ids
      getSplit(docSegId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改分段信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.docSegId != null) {
            updateSplit(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addSplit(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const docSegIds = row.docSegId || this.ids;
      this.$modal.confirm('是否确认删除存储文档分段信息编号为"' + docSegIds + '"的数据项？').then(function() {
        return delSplit(docSegIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('docSplit/split/export', {
        ...this.queryParams
      }, `split_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
